* {
    text-align: center;
}

h3 {
    background: darkgray;
    clear: both;
}

button {
    display: block;
    margin: 0 auto;
}

ul {
    margin: 0 auto;
    padding: 0;
    list-style-type: none;
}

.one_menu {
    width: 70px;
    background: #bbcdc5;
    cursor: pointer;
    float: left;
    padding: 5px 10px;
    border-left: solid gray 1px;
}
.one_menu:hover{
    background:#88ada6;

}
.one_menu:nth-child(2) {
    position: relative;
}

.full_roster {
    background: #c2ccd0;
    position: absolute;
    width: 120px;
    bottom: -130px;
    left: -15px;
}
.full_roster li:hover{
   background:  #808080;
}


.example-enter {
    opacity: 0.01;
}

.example-enter.example-enter-active {
    opacity: 1;
    transition: opacity 500ms ease-in;
}

.example-leave {
    opacity: 1;
}

.example-leave.example-leave-active {
    opacity: 0.01;
    transition: opacity 100ms ease-in;
}


.dialog{
    position:fixed;
    top:0;
    left:0;
    width: 100%;
    height: 100%;
    background: black;
    opacity: 0.4;
    z-index:9999;
    font-size: 30px;
    color: red;
    overflow:hidden;
}


main {
    display: block;
    clear: both;
}

@keyframes App-logo-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
